[eru]

> I would have never guessed a social media app whose biggest feature is “it disappears within 24h!” (even though you can easily screenshot everything) would become as big as it became.

Or 'everything has to fit into 120 characters' (= Twitter). Or 'replies are designed to be maximally rage bait-y' (= Tumblr).

[mejutoco]

To be fair at least Twitter started with the SMS limitations, so it made sense to have the limitation in exchange for being able to update it with an SMS, when Whatsup was not so common.

[butlike]

Fun fact: twitter originally started with a 160 char limit that was truncated to 120 so people could reasonably fit usernames